* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Maple Mono NF CN';
}

body {
  padding: 1rem;
}

button {
  border: none;
  background-color: #d5f4a0;
  padding: 0.5rem;
  border-radius: 0.25rem;
}
